In each part, sketch the graph of a continuous function f with the stated properties on the interval − ∞ , + ∞ . (a) f has no relative extrema or absolute extrema. (b) f has an absolute minimum at x = 0 but no absolute maximum. (c) f has an absolute maximum at x = − 5 and an absolute minimum at x = 5 .
In each part, sketch the graph of a continuous function f with the stated properties on the interval − ∞ , + ∞ . (a) f has no relative extrema or absolute extrema. (b) f has an absolute minimum at x = 0 but no absolute maximum. (c) f has an absolute maximum at x = − 5 and an absolute minimum at x = 5 .
Decide whether each limit exists. If a limit exists, estimate its
value.
11. (a) lim f(x)
x-3
f(x) ↑
4
3-
2+
(b) lim f(x)
x―0
-2
0
X
1234
Determine whether the lines
L₁ (t) = (-2,3, −1)t + (0,2,-3) and
L2 p(s) = (2, −3, 1)s + (-10, 17, -8)
intersect. If they do, find the point of intersection.
Convert the line given by the parametric equations y(t)
Enter the symmetric equations in alphabetic order.
(x(t)
= -4+6t
= 3-t
(z(t)
=
5-7t
to symmetric equations.
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